LANDMARK ASSOCIATES / ADU DIVISION

Your property.

Your possibilities.

One clear plan.

A place for family. Room for independence. Potential for rental income. Let’s explore what an ADU could make possible for you.

Our dedicated Massachusetts ADU Division brings feasibility, design, financing support, permitting, and construction together through one coordinated team.

Backyard ADU cottage

20+ years of construction experience

Clear, Responsive Project Management

Dedicated ADU Division

Fully Licensed & Insured

Built to simplify your next step.

An ADU opportunity.

A dedicated team.

An accessory dwelling unit is a separate living space on the same property as your main home. The right solution starts with understanding the property, the purpose, and the investment.

Landmark’s ADU Division coordinates the technical and financial decisions that turn interest into a practical project. We bring the right partners together, keep communication clear, and guide the path from your first conversation through project completion.

01

Choice

Compare layouts and construction methods that fit your property and goals, including detached or attached ADUs, conversions, modular, stick-built, and hybrid solutions.

02

Cost Options

Understand the factors shaping your budget, establish realistic pricing expectations, and explore financing paths with trusted lending partners.

03

Convenience

One accountable team coordinates planning, design partners, approvals, procurement, and construction so you have a clear point of contact throughout.

FIT TO PURPOSE

Build around the life you want to live.

Every project starts with a purpose. We help match that purpose to a space that works for your household today and adapts to tomorrow.

Keep family close

Create an independent residence for parents or adult children while preserving privacy and connection.

Plan for changing needs

Consider accessibility, daily routines, and long-term living arrangements early in the design.

Explore rental potential

Evaluate a potential rental use alongside project costs, financing, and ongoing management needs.

See the property differently

Assess underused space or an ADU opportunity as part of a home purchase or development plan.

CHOICE / YOUR SPACE, YOUR STRATEGY.

More than one way to create an ADU.

We evaluate the configuration and construction approach together, based on site conditions, access, budget, design priorities, and approvals.

Detached cottage

Attached addition

Garage conversion

Existing-space conversion

BUILT ON SITE


A custom approach to your space.


A traditional on-site build allows the design and layout to respond to your property and intended use.


  • Explore a layout tailored to household needs.
  • Coordinate architecture, finishes, and site conditions.
  • Review the scope and schedule during feasibility.
Stick-built ADU under construction

COST OPTIONS / PLAN THE INVESTMENT.

Understand the numbers.

Explore the possibilities.

Financing belongs in the conversation from the beginning.

Landmark connects clients with trusted lending partners and coordinates financing support alongside technical and financial feasibility.

Together, we explore what the project may require and which financing paths may fit.

Home equity lines of credit

Construction Loans

Mortgage Refinancing

Other lender programs

Loan products, eligibility, rates, and terms vary by lender, borrower, and property.

Financing approval and final lending terms are determined by the selected lender.

01

Clarify the full project picture.

Discuss sitework, utilities, design, approvals, construction, and the scope shaping your budget.

02

Explore available financing paths.
Coordinate preliminary lender due diligence and the project information needed for review

03

Compare scenarios.
Consider required equity, estimated payments, project costs, and overall affordability

04

Keep the process connected.
Support documentation and lender coordination from pre-approval through closing

Convenience / From interest to implementation.

A clear path.
One coordinated team.

Our seven-step process connects your goals with the property, the financing path, and the delivery strategy.

01 / Interest

Start the conversation

Share your inquiry or referral and tell us what prompted your interest in an ADU.

02 / Needs

Define the purpose

Clarify intended use, budget expectations, timeline, and household or project priorities.

03/ Feasibility

Evaluate the property

Review technical and financial considerations, including site conditions, utilities, access, and requirements.

04 / Partners

Bring the team together

Coordinate design and financing partners, with qualified legal support where needed.

05 / Solution

Select the right approach

Align the design, construction method, and scope with your property, purpose, and budget.

06 / Approvals

Prepare for delivery

Coordinate permitting and procurement to move the approved plan toward construction.

07 / Closeout

Build and hand over

Manage construction, handover, and project closeout. Discuss property management support where relevant.

Your next step starts here.

You don't need every answer before reaching out.

THE ADU ACADEMY.

Clear guidance. Confident decisions.

Explore Landmark’s educational resources on property suitability, family living, project choices, and the steps ahead.

PROPERTY FEASIBILITY

What could your property support?

Understand the site conditions and practical questions to explore before choosing a design.

MULTIGENERATIONAL LIVING

Closer together.

Room for independence.

Explore how thoughtful planning can balance family connection, privacy, and changing needs.

PLANNING YOUR PROJECT

From questions to a clear plan.

See how the 3 C’s connect your options, investment, and project journey.


BUILT WITH EXPERIENCE. BUILT TO LAST.

A foundation of proven craftsmanship.

Our ADU Division draws on Landmark’s broader experience in residential, commercial, and multifamily construction.

Newton kitchen renovation

Residential / Newton, MA

Landmark completed a full kitchen renovation in Newton, transforming the space into a bright, functional transitional-style kitchen.



Selected projects from Landmark’s construction portfolio.

Heavenly Donuts fit-out in Derry, NH

Commercial / Derry, NH

Landmark completed a full tenant fit-out for a new coffee and donut franchise in Derry, NH, transforming an existing retail unit into a fully operational location.

Condominium deck and siding renovation

Multifamily / Exterior renovation

Deck and siding reconstruction addressing deteriorated exterior conditions for a condominium association.

For Realtors, Advisors & Developers

Help your clients see what’s possible.

Whether you’re advising a homebuyer, evaluating a development opportunity, or helping a client plan for the future, Landmark can help clarify the ADU opportunity and the next practical step.

Questions before you begin.

Start with clarity.

How do I know if my property is a good fit?

Do I need a design or financing in place first?

Is modular always the lowest-cost option?

Does Landmark provide financing directly?

Can you help if I’m a realtor or planning rental use?

Thank you! We’ll be in touch soon.

Let’s turn opportunity into a clear plan.

What could an ADU make possible for you?

Tell us about your property and what you have in mind.

We’ll help identify the next practical step.

Phone: (508) 482-0104

Email: office@landmarkassoc.com

Address: 2 Park Central Dr, Southborough, MA 01772

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